./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:07,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:07,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:07,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:07,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:07,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:07,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:07,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:07,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:07,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:07,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:07,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:07,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:07,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:07,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:07,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:07,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:07,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:07,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:07,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:07,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:07,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:07,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:07,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:07,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:07,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:07,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:07,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:07,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:07,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:07,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:07,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:07,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:07,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:07,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:07,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:07,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:07,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:07,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:07,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:07,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:07,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 09:27:07,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:07,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:07,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:07,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:07,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:07,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:07,960 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:07,960 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:27:07,960 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:27:07,960 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:27:07,962 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:27:07,962 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:27:07,962 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:27:07,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:07,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:27:07,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:07,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:07,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:27:07,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:27:07,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:27:07,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:07,964 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:27:07,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:07,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:27:07,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:07,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:07,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:07,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:07,967 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:27:07,967 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 [2022-11-20 09:27:08,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:08,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:08,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:08,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:08,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:08,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-11-20 09:27:11,396 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:11,682 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:11,682 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-11-20 09:27:11,708 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/data/b3061ef1c/850baca69f114657a5fbf87ca37d3230/FLAG6718a6fb7 [2022-11-20 09:27:11,723 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/data/b3061ef1c/850baca69f114657a5fbf87ca37d3230 [2022-11-20 09:27:11,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:11,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:11,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:11,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:11,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:11,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f0454a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:11, skipping insertion in model container [2022-11-20 09:27:11,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:11,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:12,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:12,065 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:12,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:12,154 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:12,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12 WrapperNode [2022-11-20 09:27:12,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:12,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:12,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:12,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:12,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,218 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-20 09:27:12,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:12,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:12,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:12,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:12,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:12,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:12,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:12,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:12,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:12,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:12,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:12,476 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:12,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:12,719 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:12,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:12,726 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:27:12,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:12 BoogieIcfgContainer [2022-11-20 09:27:12,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:12,730 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:27:12,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:27:12,750 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:27:12,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:12,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:27:11" (1/3) ... [2022-11-20 09:27:12,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1874c632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:27:12, skipping insertion in model container [2022-11-20 09:27:12,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:12,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (2/3) ... [2022-11-20 09:27:12,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1874c632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:27:12, skipping insertion in model container [2022-11-20 09:27:12,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:12,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:12" (3/3) ... [2022-11-20 09:27:12,755 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-1.i [2022-11-20 09:27:12,869 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:27:12,870 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:27:12,870 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:27:12,871 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:27:12,871 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:27:12,871 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:27:12,871 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:27:12,872 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:27:12,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:12,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 09:27:12,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:12,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:12,903 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:27:12,903 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:12,904 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:27:12,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:12,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 09:27:12,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:12,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:12,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:27:12,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:12,912 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L562true assume !(main_~length1~0#1 < 1); 14#L562-2true assume !(main_~length2~0#1 < 1); 12#L565-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 13#L553-4true [2022-11-20 09:27:12,913 INFO L750 eck$LassoCheckResult]: Loop: 13#L553-4true cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 9#L552-1true assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 6#L553-3true assume !true; 13#L553-4true [2022-11-20 09:27:12,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:12,918 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-20 09:27:12,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:12,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774955153] [2022-11-20 09:27:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash 49828, now seen corresponding path program 1 times [2022-11-20 09:27:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:13,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255732657] [2022-11-20 09:27:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:13,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:13,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:13,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255732657] [2022-11-20 09:27:13,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255732657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:13,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:13,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 09:27:13,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526799654] [2022-11-20 09:27:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:13,209 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 09:27:13,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:13,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:27:13,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:27:13,248 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:13,255 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-20 09:27:13,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-20 09:27:13,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 09:27:13,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2022-11-20 09:27:13,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:27:13,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:27:13,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-20 09:27:13,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:27:13,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-20 09:27:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-20 09:27:13,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-20 09:27:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-20 09:27:13,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-20 09:27:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:27:13,301 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-20 09:27:13,301 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:27:13,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-20 09:27:13,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 09:27:13,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:13,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:13,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:27:13,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:27:13,303 INFO L748 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 39#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 42#L562 assume !(main_~length1~0#1 < 1); 43#L562-2 assume !(main_~length2~0#1 < 1); 46#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 44#L553-4 [2022-11-20 09:27:13,304 INFO L750 eck$LassoCheckResult]: Loop: 44#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 47#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 40#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 41#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 44#L553-4 [2022-11-20 09:27:13,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:13,305 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-20 09:27:13,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:13,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271874589] [2022-11-20 09:27:13,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:13,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1544297, now seen corresponding path program 1 times [2022-11-20 09:27:13,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:13,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056642043] [2022-11-20 09:27:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:13,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1298350894, now seen corresponding path program 1 times [2022-11-20 09:27:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:13,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325109603] [2022-11-20 09:27:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:13,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:14,738 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:27:14,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:27:14,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:27:14,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:27:14,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:27:14,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:14,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:27:14,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:27:14,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration2_Lasso [2022-11-20 09:27:14,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:27:14,741 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:27:14,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:14,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:15,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:16,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:27:16,534 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:27:16,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 09:27:16,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:16,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:16,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:16,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 09:27:16,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:16,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:16,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:16,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 09:27:16,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:16,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:16,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:16,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:16,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 09:27:16,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 09:27:16,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:16,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:16,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 09:27:16,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:16,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:16,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:16,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:16,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:16,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:16,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 09:27:16,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:16,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:16,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:16,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:16,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:16,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:16,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:16,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:27:17,000 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-20 09:27:17,000 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-20 09:27:17,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:17,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:17,005 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:17,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:27:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 09:27:17,060 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:27:17,060 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:27:17,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrpbrk_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~s1#1.offset Supporting invariants [] [2022-11-20 09:27:17,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-20 09:27:17,146 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-20 09:27:17,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:17,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:27:17,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:17,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:17,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:27:17,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:17,368 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 09:27:17,369 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:17,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 4 states. [2022-11-20 09:27:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-11-20 09:27:17,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 09:27:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-20 09:27:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-20 09:27:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:17,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2022-11-20 09:27:17,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:17,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2022-11-20 09:27:17,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 09:27:17,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:27:17,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-20 09:27:17,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:27:17,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 09:27:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-20 09:27:17,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-20 09:27:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-20 09:27:17,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 09:27:17,434 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 09:27:17,434 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 09:27:17,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-20 09:27:17,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:17,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:17,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:17,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:17,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:17,436 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 173#L562 assume !(main_~length1~0#1 < 1); 174#L562-2 assume !(main_~length2~0#1 < 1); 178#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 179#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 180#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 169#L553-3 [2022-11-20 09:27:17,436 INFO L750 eck$LassoCheckResult]: Loop: 169#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 170#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 175#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 169#L553-3 [2022-11-20 09:27:17,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935627, now seen corresponding path program 1 times [2022-11-20 09:27:17,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:17,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392159387] [2022-11-20 09:27:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:17,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 1 times [2022-11-20 09:27:17,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:17,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104401759] [2022-11-20 09:27:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:17,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1594172151, now seen corresponding path program 1 times [2022-11-20 09:27:17,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:17,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663004583] [2022-11-20 09:27:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:17,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:18,598 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:27:18,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:27:18,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:27:18,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:27:18,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:27:18,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:18,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:27:18,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:27:18,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration3_Lasso [2022-11-20 09:27:18,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:27:18,599 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:27:18,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:18,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:19,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:20,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:27:20,014 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:27:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 09:27:20,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:20,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:20,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:20,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 09:27:20,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,129 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 09:27:20,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,178 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 09:27:20,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 09:27:20,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,309 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 09:27:20,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,384 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 09:27:20,384 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 09:27:20,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 09:27:20,421 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-11-20 09:27:20,421 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-20 09:27:20,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:20,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:20,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,499 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:20,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:20,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:20,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:20,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:20,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 09:27:20,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:20,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:20,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:27:20,627 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-11-20 09:27:20,627 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-20 09:27:20,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:20,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:20,631 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:20,636 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:27:20,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 09:27:20,654 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:27:20,654 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:27:20,654 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2, ULTIMATE.start_cstrpbrk_~scanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset Supporting invariants [] [2022-11-20 09:27:20,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-20 09:27:20,731 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2022-11-20 09:27:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:20,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:27:20,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:20,840 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 09:27:20,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:20,888 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:27:20,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:20,928 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 6 states. [2022-11-20 09:27:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-20 09:27:20,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-20 09:27:20,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:20,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-20 09:27:20,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:20,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-20 09:27:20,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:20,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-20 09:27:20,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:20,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 27 transitions. [2022-11-20 09:27:20,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 09:27:20,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-20 09:27:20,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-20 09:27:20,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:27:20,934 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 09:27:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-20 09:27:20,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2022-11-20 09:27:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 09:27:20,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 09:27:20,936 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 09:27:20,936 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 09:27:20,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-20 09:27:20,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:20,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:20,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:20,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:20,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:20,938 INFO L748 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 344#L562 assume !(main_~length1~0#1 < 1); 345#L562-2 assume !(main_~length2~0#1 < 1); 349#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 350#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 351#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 342#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 343#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 347#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 352#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 340#L553-3 [2022-11-20 09:27:20,938 INFO L750 eck$LassoCheckResult]: Loop: 340#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 341#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 346#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 340#L553-3 [2022-11-20 09:27:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash -2120273357, now seen corresponding path program 2 times [2022-11-20 09:27:20,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:20,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825223409] [2022-11-20 09:27:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:20,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:20,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:20,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:20,974 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 2 times [2022-11-20 09:27:20,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:20,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378361693] [2022-11-20 09:27:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:20,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:20,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:20,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1020472847, now seen corresponding path program 1 times [2022-11-20 09:27:20,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:20,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256481051] [2022-11-20 09:27:20,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:20,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:21,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:21,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256481051] [2022-11-20 09:27:21,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256481051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:21,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138943312] [2022-11-20 09:27:21,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:21,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:21,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:21,377 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:21,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-20 09:27:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:21,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:27:21,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:21,504 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 09:27:21,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-20 09:27:21,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:21,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:21,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138943312] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:21,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:21,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-20 09:27:21,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141534532] [2022-11-20 09:27:21,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:21,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:21,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 09:27:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:27:21,711 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:21,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:22,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:22,004 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-11-20 09:27:22,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-11-20 09:27:22,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:22,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2022-11-20 09:27:22,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 09:27:22,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-20 09:27:22,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2022-11-20 09:27:22,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:27:22,006 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-20 09:27:22,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2022-11-20 09:27:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2022-11-20 09:27:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-20 09:27:22,008 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-20 09:27:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:27:22,009 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-20 09:27:22,009 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 09:27:22,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-11-20 09:27:22,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:22,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:22,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:22,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:22,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:22,011 INFO L748 eck$LassoCheckResult]: Stem: 496#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 502#L562 assume !(main_~length1~0#1 < 1); 503#L562-2 assume !(main_~length2~0#1 < 1); 504#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 505#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 508#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 500#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 501#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 507#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 511#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 512#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 509#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 510#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 498#L553-3 [2022-11-20 09:27:22,011 INFO L750 eck$LassoCheckResult]: Loop: 498#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 499#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 506#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 498#L553-3 [2022-11-20 09:27:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1095399647, now seen corresponding path program 2 times [2022-11-20 09:27:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:22,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806392332] [2022-11-20 09:27:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 3 times [2022-11-20 09:27:22,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:22,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688182764] [2022-11-20 09:27:22,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:22,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:22,051 INFO L85 PathProgramCache]: Analyzing trace with hash -110602269, now seen corresponding path program 3 times [2022-11-20 09:27:22,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:22,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882755317] [2022-11-20 09:27:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:22,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:23,706 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:27:23,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:27:23,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:27:23,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:27:23,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:27:23,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:23,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:27:23,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:27:23,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration5_Lasso [2022-11-20 09:27:23,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:27:23,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:27:23,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:23,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:24,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:24,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:27:25,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:27:25,576 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:27:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 09:27:25,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-20 09:27:25,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,611 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 09:27:25,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:25,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,631 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 09:27:25,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:25,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,652 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 09:27:25,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-20 09:27:25,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,727 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 09:27:25,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:25,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:25,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-20 09:27:25,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,750 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 09:27:25,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-20 09:27:25,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,772 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 09:27:25,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:25,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:25,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-20 09:27:25,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,807 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 09:27:25,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-20 09:27:25,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,828 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 09:27:25,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-20 09:27:25,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,849 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 09:27:25,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:25,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:25,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-20 09:27:25,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,879 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 09:27:25,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-20 09:27:25,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,899 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 09:27:25,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-20 09:27:25,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,920 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 09:27:25,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:25,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:25,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-20 09:27:25,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,942 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 09:27:25,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-20 09:27:25,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,960 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 09:27:25,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:25,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,982 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 09:27:25,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:25,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:25,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:25,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:25,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:25,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:25,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:25,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:25,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:25,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:25,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:25,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,000 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 09:27:26,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-20 09:27:26,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,027 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 09:27:26,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-20 09:27:26,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,053 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 09:27:26,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:26,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,091 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 09:27:26,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:26,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,132 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 09:27:26,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-20 09:27:26,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,166 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 09:27:26,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:26,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,188 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 09:27:26,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:26,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:26,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:26,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:26,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:26,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:26,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:26,239 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:27:26,300 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-11-20 09:27:26,300 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-20 09:27:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:26,301 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 09:27:26,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:27:26,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:27:26,326 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:27:26,326 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 Supporting invariants [] [2022-11-20 09:27:26,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:26,512 INFO L156 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2022-11-20 09:27:26,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:27:26,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,630 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:27:26,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:26,666 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:27:26,666 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 6 states. [2022-11-20 09:27:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-20 09:27:26,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-20 09:27:26,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:26,698 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:27:26,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:27:26,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,816 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:27:26,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:26,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:27:26,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,896 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 6 states. [2022-11-20 09:27:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-20 09:27:26,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-20 09:27:26,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:26,898 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:27:26,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:27:26,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:27,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:27:27,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:27,047 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:27:27,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:27,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 5 states. [2022-11-20 09:27:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-20 09:27:27,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-20 09:27:27,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:27,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 17 letters. Loop has 3 letters. [2022-11-20 09:27:27,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:27,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-20 09:27:27,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:27,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-20 09:27:27,088 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:27:27,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-20 09:27:27,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 09:27:27,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 09:27:27,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 09:27:27,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:27:27,089 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:27,089 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:27,089 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:27,089 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 09:27:27,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:27:27,089 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:27:27,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 09:27:27,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:27:27 BoogieIcfgContainer [2022-11-20 09:27:27,097 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 09:27:27,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:27,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:27,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:27,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:12" (3/4) ... [2022-11-20 09:27:27,101 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:27:27,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:27,102 INFO L158 Benchmark]: Toolchain (without parser) took 15374.62ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 117.5MB in the beginning and 66.5MB in the end (delta: 51.0MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-11-20 09:27:27,102 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 67.0MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:27,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 101.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:27:27,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.42ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:27:27,103 INFO L158 Benchmark]: Boogie Preprocessor took 39.46ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:27,104 INFO L158 Benchmark]: RCFGBuilder took 465.30ms. Allocated memory is still 148.9MB. Free memory was 97.8MB in the beginning and 86.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:27,104 INFO L158 Benchmark]: BuchiAutomizer took 14367.77ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 86.3MB in the beginning and 66.5MB in the end (delta: 19.8MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:27,104 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 180.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:27,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 67.2MB in the beginning and 67.0MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 101.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.42ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.46ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.30ms. Allocated memory is still 148.9MB. Free memory was 97.8MB in the beginning and 86.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14367.77ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 86.3MB in the beginning and 66.5MB in the end (delta: 19.8MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 180.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[nondetString1] and consists of 3 locations. One deterministic module has affine ranking function -1 * scanp + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * scanp and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 90 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp90 ukn87 mio100 lsp31 div156 bol100 ite100 ukn100 eq170 hnf91 smp72 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 126ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 09:27:27,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:27,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:27,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af39df5f-375a-4e73-bc03-58cbd6833955/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE